Suzuki DF20ATSW4 Portable Outboard Motor. 15" Shaft Remote Mechanical Steering Manual Start Power Trim 20 HP White. Light on weight. Light on compromise.. The Suzuki DF20ATSW4 Portable Outboard Motor brings 20 horsepower four-stroke performance into a lightweight package designed for boaters who want more authority than a basic portable engine can offer. With a 15" shaft, remote mechanical steering, and power trim, this model fits smaller fishing boats, skiffs, and utility hulls that benefit fro